Pii: S1367-9120(00)00021-3
نویسندگان
چکیده
The moderate magnitude Chamoli earthquake, which occurred on 29 March, 1999 in the Alkananda river valley region of Garhwal Himalaya, caused considerable loss to human life and property. From a systematic ®eld survey of the damage, conducted for ®ve continuous days immediately after the earthquake, the following could be noted: (i) The consequences of the damage are most pronounced near the Main Central Thrust (MCT). (ii) The maximum damage is between Chamoli and the 40 km area to the its north and was probably caused by major uplift. (iii) Distinct radial cracks accompanied by considerable ground subsidence due to this earthquake, could be observed north of the completely devastated village of Mawana, situated 4 km northwest of Chamoli. (iv) The intensity of damage in the meisoseismal zone, covering approx. 580 km area, suggests a value of 0.2 g for the ground acceleration. q 2001 Elsevier Science Ltd. All rights reserved.
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